cd17618f4a
These attributes are used by the calc command. They will also be used by tactics such as 'reflexivity', 'symmetry' and 'transitivity'. See issue #500
21 lines
906 B
C++
21 lines
906 B
C++
/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "frontends/lean/cmd_table.h"
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namespace lean {
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class parser;
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expr parse_calc(parser & p);
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bool is_calc_annotation(expr const & e);
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/** \brief Given an operator name \c op, return the symmetry rule associated with, number of arguments, and universe parameters.
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Return none if the operator does not have a symmetry rule associated with it.
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*/
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optional<std::tuple<name, unsigned, unsigned>> get_calc_symm_info(environment const & env, name const & op);
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optional<std::tuple<name, unsigned, unsigned>> get_calc_refl_info(environment const & env, name const & op);
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optional<std::tuple<name, unsigned, unsigned>> get_calc_subst_info(environment const & env, name const & op);
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void initialize_calc();
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void finalize_calc();
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}
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